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March 2015 Vol. 13 No. 3


View from the Top

  • Katsuhiko Shirai, External Board Member of NTT, Chairperson of the Foundation for the Open University of Japan

Feature Articles: Reducing the Environmental Burden of ICT Services

  • R&D Efforts to Reduce the Burden of ICT Services on the Environment
  • Evaluation Methods of the °∆By ICT°« Effect
  • R&D on Conservation of Material Resources in Telecom Facilities
  • Materials Technology for the Production and Storage of Energy
  • Efforts to Improve Energy Efficiency of Network Service System
  • Issues and Solutions in Saving Energy of Optical Access Network Equipment
  • HVDC Power Supply System Implementation
  • Development of Equipment for HVDC Power Supply Systems

Feature Articles: NTT Tsukuba Forum 2014 Workshop Lectures

  • Future Optical Access Technologies for Flexible Service Deployment
  • R&D Trends in Optical Fiber and Cable Technology
  • NTT R&D Activities toward Future Access Network Operation

Regular Articles

  • Development of 100-Gbit/s Packet Transport System

Global Standardization Activities

  • Standardization Trends for Next-Generation Passive Optical Network Stage 2 (NG-PON2)

External Awards/Papers Published in Technical Journals and Conference Proceedings